• Prepainted Rolled Steel Coil for Construction Roofing Constrution System 1
  • Prepainted Rolled Steel Coil for Construction Roofing Constrution System 2
  • Prepainted Rolled Steel Coil for Construction Roofing Constrution System 3
  • Prepainted Rolled Steel Coil for Construction Roofing Constrution System 4
Prepainted Rolled Steel Coil for Construction Roofing Constrution

Prepainted Rolled Steel Coil for Construction Roofing Constrution

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
30000 m.t./month

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Structure of Prepainted Rolled steel Coil for Construction Roofing

 Prepainted Rolled Steel Coil for Construction Roofing Constrution

Description of Prepainted Rolled steel Coil for Construction Roofing
Prepainted Rolled steel Coil is a kind of coated steel coil/sheet. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Al-Zn coat on both faces by hot dip process. In its coating, Al accounts for about 55%, Si 1.6%, while the remaining is Zn. Aluminum zinc coils enjoys both the physical protective feature and durability of Al and the electrochemical protective property of Zn. And its surface has bright silver color and regular embossed-like figure, which are highly decorative. 

Prepainted Rolled Steel Coil for Construction Roofing Constrution

Prepainted Rolled Steel Coil for Construction Roofing Constrution

Prepainted Rolled Steel Coil for Construction Roofing Constrution

 

Main Feature of Prepainted Rolled steel Coil for Construction Roofing

1.Corrosion resistance: It mainly depends on the aluminum protection. When the zinc being worn, the aluminum will  form a dense layer of aluminum oxide, resist corrosion material to prevent further corrosion inside. 
2. Heat resistance: Aluminum zinc alloy steel sheet has excellent heat resistance, can withstand high temperatures over 300 centigrade, and is similar with aluminized steel high temperature oxidation resistance. It often used in chimney pipes, ovens, fluorescent lighting device and the device cover. 
3. Heat reflective: Galvanized steel plate heat-reflective high rate is twice as galvanized steel, often used to make insulation materials. 
4. Economy: Because density of 55% AL-Zn is smaller than the density of Zn, so in the same weight and thickness of Galvanized zinc layer, aluminum-zinc steel plate is larger area more than 3% of galvanized steel sheet. 

 

Applications of Prepainted Rolled steel Coil for Construction Roofing
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.

2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.

3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.

5.Others:vending machine; game machine; etc.  

Prepainted Rolled Steel Coil for Construction Roofing Constrution

 

  Prepainted Rolled Steel Coil for Construction Roofing Constrution

Specifications of Rolled steel Coil for Construction Roofing 

Product

Prepainted Rolled steel Coil for Construction Roofing

Material Grade

SGCC / SGCH  / DX51D+AZ, etc

Thickness

0.2-3.0mm

Width

600-1500mm

Tolerance

Thickness: +/-0.02mm , Width:+/-2mm

Zinc-coating

AZ40-150g/m2

Technique

Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume

Surface

Dried, Chromated, Unoiled

Spangle

Regular spangle , small spangle, zero spangle

ID

508MM

Coil weight

10MT max

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed

 

FAQ of Prepainted Rolled steel Coil for Construction Roofing

We have organized several common questions for our clients,may help you sincerely: 

1. What is the minimum order quantity ?  

Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide. 

2. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

3. How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

 

Q: How are steel coils tested for mechanical properties?
Steel coils are tested for mechanical properties through various methods, including tension testing, hardness testing, and impact testing. Tension testing involves applying force to the coil until it breaks, allowing for the measurement of its strength and elongation. Hardness testing determines the coil's resistance to indentation, providing insight into its overall strength and durability. Impact testing determines the coil's ability to withstand sudden applied loads by subjecting it to a high-velocity impact and measuring its ability to absorb the energy. These tests help ensure that steel coils meet the required mechanical properties for their intended applications.
Q: What are the safety precautions while handling steel coils?
Some safety precautions while handling steel coils include wearing protective gloves and clothing to prevent cuts and scrapes, using proper lifting techniques to avoid back injuries, ensuring a clear and organized work area to prevent tripping hazards, and using appropriate equipment, such as forklifts or cranes, to safely move and stack the coils. It is also important to follow proper storage procedures to prevent the coils from falling or shifting and causing accidents.
Q: rust is not a issue. i was looking a D2 steel but heard story's of it chipping and breaking
INFI steel used by Busse Combat is probably one of the best steels around right now, but the price reflects that. The heat treat is a HUGE part of the toughness of a steel. A good heat treat can make a bad steel a good one, or a good one a great one. I personally prefer 1095. It's a good ole tool steel on the lower end of the price scale and it holds up well. I've always had good experiences with 1095.
Q: What is the weight range of steel coils?
The weight range of steel coils can vary greatly depending on the specific type and dimensions of the coil. However, typically, steel coils can weigh anywhere from a few hundred kilograms to several tonnes.
Q: How do steel coils contribute to the transportation industry?
The versatility and durability of steel coils play a significant role in the transportation industry. These coiled steel sheets have various uses, such as manufacturing automobiles, shipping containers, and railway cars. In the automotive sector, steel coils are utilized to produce different components like body panels, chassis, and engine parts. Steel's strength and malleability make it an ideal material for ensuring vehicle safety and durability. Additionally, steel coils are employed in manufacturing shipping containers, which are crucial for global goods transportation. The sturdiness and resistance to corrosion provided by steel coils ensure the protection of goods during their journey. Moreover, steel coils are essential in the railway industry. They are used to manufacture railway cars, including freight cars and passenger coaches. Steel's strength and durability make it ideal for withstanding the heavy loads and harsh operating conditions experienced by railway vehicles. Steel coils also contribute to the construction of railroad tracks and bridges, providing the necessary strength and stability for safe and efficient transportation. In conclusion, steel coils are indispensable in the transportation industry. They offer the required strength, durability, and versatility for manufacturing various transportation vehicles and infrastructure. Their contribution ensures the safety, reliability, and efficiency of transportation systems, making them vital in the modern world.
Q: How are steel coils used in the manufacturing of suspension springs?
Steel coils are used in the manufacturing of suspension springs by being tightly wound and then shaped into a helical or spiral form. These coils provide the necessary flexibility and strength required to absorb and distribute the weight and force exerted on the suspension system, allowing for a smooth and stable ride.
Q: What are the common problems faced during steel coil production?
There are several common problems that can be encountered during steel coil production. One of the most common issues is coil breakage or damage. This can occur due to improper handling or transportation of the coils, which can lead to cracks or fractures. It is crucial to ensure proper handling procedures are followed to minimize the risk of coil breakage. Another common problem is coil slippage. This occurs when the coils are not securely stacked or stored, leading to them shifting or sliding. Coil slippage can result in damage to the coils and potentially cause accidents or injuries. Therefore, it is essential to have proper storage systems in place to prevent coil slippage. Additionally, coil corrosion is a common problem faced during steel coil production. Corrosion can occur due to exposure to moisture, air, or other corrosive substances. It can lead to the degradation of the steel, reducing its strength and durability. Implementing effective corrosion prevention measures, such as proper coating or storage techniques, is essential to mitigate this issue. Another challenge in steel coil production is coil quality issues. This can include inconsistent thickness, width, or surface defects on the coils. These quality problems can arise due to various factors, such as improper rolling processes, equipment malfunctions, or material defects. Regular quality checks and inspections should be conducted to identify and address any issues promptly. Moreover, coil handling and loading problems can also occur during steel coil production. Improper lifting or loading techniques can cause damage to the coils, leading to deformations or even accidents. It is crucial to train and educate employees on proper handling and loading procedures to prevent such problems. Overall, steel coil production can face various challenges, from coil breakage and slippage to corrosion and quality issues. Implementing proper handling, storage, and quality control measures is essential to minimize these problems and ensure the production of high-quality steel coils.
Q: I'm wondering if steel casings are bad for a 1911. I know that an AK-47 will eat up steel casings all day long, but steel casings are bad for, and can be hard on an AR-15. I only have brass for my AR and that will never change. I'm curious as to how a 1911 fairs with steel casings. Is it bad for the gun or does it not matter? I'm asking because steel cased rounds seem to be the only readily available ammo these days. Thanks
This better placed in the hunting section of sports. That is the area for gun questions. I've never used that Russian stuff in my guns. I would stick with brass or Aluminum Blaser ammo.
Q: Can steel coils be custom-made to specific requirements?
Yes, steel coils can be custom-made to specific requirements.
Q: How are steel coils processed for edge trimming or shearing?
Steel coils are typically processed for edge trimming or shearing by using specialized machinery such as slitters or shears. These machines are designed to cut the excess edges of the coil, ensuring uniform and precise dimensions. The coils are fed through the machine, where the excess material is removed, leaving clean and straight edges. This process helps to enhance the quality and appearance of the steel coils, making them ready for further manufacturing or fabrication.

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